"Critical" -- Reese’s (Jim Caviezel, right) investigation into the latest POI is complicated by the arrival of Alistair Wesley (Julian Sands, left) a mysterious and capable new enemy, on PERSON OF INTEREST, Thursday Nov. 15 (9:01 – 10:01 PM, ET/PT) on the CBS Television Network. Photo: John P. Filo/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved

"Critical" -- Reese’s (Jim Caviezel, right) investigation into the latest POI is complicated by the arrival of Alistair Wesley (Julian Sands, left) a mysterious and capable new enemy, on PERSON OF INTEREST, Thursday Nov. 15 (9:01 – 10:01 PM, ET/PT) on the CBS Television Network. Photo: John P. Filo/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved

"Critical" – Reese (Jim Caviezel) is attacked while investigating the threat surrounding the latest POI, a brilliant surgeon, on PERSON OF INTEREST, Thursday Nov. 15 (9:01 – 10:01 PM, ET/PT) on the CBS Television Network. Photo: John P. Filo/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved

"Critical" -- The investigation into the latest POI is complicated by the arrival of Alistair Wesley (Julian Sands) a mysterious and capable new enemy, on PERSON OF INTEREST, Thursday Nov. 15 (9:01 – 10:01 PM, ET/PT) on the CBS Television Network. Photo: John P. Filo/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved

"Critical" -- Reese’s (Jim Caviezel) investigation into the latest POI, a brilliant surgeon, is complicated by the arrival a mysterious and capable new enemy, on PERSON OF INTEREST, Thursday Nov. 15 (9:01 – 10:01 PM, ET/PT) on the CBS Television Network. Photo: Giovanni Rufino/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.

"Critical" -- Det. Fusco (Kevin Chapman, left) accosts a patrolman (Nick Stevenson) as part of a plan to aid Reese , on PERSON OF INTEREST, Thursday Nov. 15 (9:01 – 10:01 PM, ET/PT) on the CBS Television Network. Photo: Giovanni Rufino/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.

"Critical" -- Det. Fusco (Kevin Chapman, left) accosts a patrolman (Nick Stevenson) as part of a plan to aid Reese , on PERSON OF INTEREST, Thursday Nov. 15 (9:01 – 10:01 PM, ET/PT) on the CBS Television Network. Photo: Giovanni Rufino/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.

"Critical" -- Reese’s (Jim Caviezel) investigation into the latest POI, a brilliant surgeon, is complicated by the arrival a mysterious and capable new enemy, on PERSON OF INTEREST, Thursday Nov. 15 (9:01 – 10:01 PM, ET/PT) on the CBS Television Network. Photo: Giovanni Rufino/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.

"Critical" -- The investigation into the latest POI is complicated by the arrival of Alistair Wesley (Julian Sands) a mysterious and capable new enemy, on PERSON OF INTEREST, Thursday Nov. 15 (9:01 – 10:01 PM, ET/PT) on the CBS Television Network. Photo: Giovanni Rufino/Warner Bros. ©2012 Warner Bros. Television. All Rights Reserved.